Private typography tools
Analyze characters, OpenType tables and variable axes. Create HarfBuzz subsets and complete webfont packages without uploading the file.
OpenType · 842 glyphs · Polish 100%
-48% file size
Toolbox
Every function works with the same locally loaded file.
Load your own font and preview headings, paragraphs, Polish characters and multiple sizes.
Automatically check ą, ć, ę, ł, ń, ó, ś, ź, ż and typographic characters.
Browse Unicode, glyph indices and export the complete list to CSV or JSON.
Read OpenType tables, metrics, license data, features and the SHA-256 digest.
Inspect family, version, designer, manufacturer, fsType and license records.
Compare up to ten fonts with the same text and size.
Control wght, wdth, opsz and custom axes.
Toggle ligatures, kerning, small caps, figures and stylistic sets.
Test liga, dlig, clig and other text substitutions.
FAQ
No. JavaScript and WebAssembly read and process the file directly in your browser.
No. The app reads available records and technical flags, but conversion and publishing rights come from the actual license agreement.
Yes. Analysis, conversion, subsetting and export run in the browser. A desktop computer is recommended for very large files.
The initial release supports TTF, OTF, WOFF and WOFF2. TTC/OTC collections are detected but not split yet.